2912128821

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{117619}}^1$

素因数の和:117766

約数の個数: 32

約数和(自身を含む): 4968268800

約数和(自身を除く): 2056139979

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 24759, 117619, 352857, 823333, 1058571, 2469999, 3175713, 7409997, 15408089, 22229991, 46224267, 107856623, 138672801, 323569869, 416018403, 970709607, 2912128821]

約数ペア:

[(1, 2912128821), (3, 970709607), (7, 416018403), (9, 323569869), (21, 138672801), (27, 107856623), (63, 46224267), (131, 22229991), (189, 15408089), (393, 7409997), (917, 3175713), (1179, 2469999), (2751, 1058571), (3537, 823333), (8253, 352857), (24759, 117619)]